Is Sea Lettuce the Same as Celtuce? The Relationship Between the Two Explained Clearly at Once

Sea lettuce generally grows in rock pools in the mid-tidal zone. Its plant body is very slender, appearing as green filaments to the naked eye, and it is distributed along the coastal areas of China. So is sea lettuce the same as celtuce?

1. Is sea lettuce the same as celtuce?

Sea lettuce is not celtuce. Sea lettuce is rich in carbohydrates, protein, crude fiber and minerals, and also contains fat and vitamins.

2. The differences between sea lettuce and celtuce

1. Different nutritional elements

Sea lettuce is rich in carbohydrates, protein, crude fiber and minerals, and also contains fat and vitamins.

Celtuce contains abundant nutrients, especially higher levels in the leaves. Every 500 grams of fresh celtuce leaves contains 10 grams of protein, 2.5 grams of fat, 16.5 grams of carbohydrates, 190 milligrams of calcium, 185 milligrams of phosphorus, 5.5 milligrams of iron, 10.7 milligrams of carotene, 0.6 milligrams of vitamin B2, 75 milligrams of vitamin C, and so on.

But the levels in the stem are much lower. Every 500 grams of celtuce stem contains only 1.5 grams of protein, only 0.2 grams of fat, only 4.7 grams of carbohydrates, and very little carotene and vitamin C.

2. Different effects

Sea lettuce is salty and cold in nature and flavor, and has the effects of softening hardness and dispersing nodules, and clearing heat and detoxifying.

Celtuce tastes fresh with a slight bitterness. It can stimulate the secretion of digestive enzymes, the secretion of digestive glands and the secretion of bile, thereby promoting the function of various digestive organs; it can also regulate the nervous system.

3. Different growing environments

Sea lettuce grows in rock pools in the mid-tidal zone.

Celtuce is sensitive to the acidity and alkalinity of the soil and is suitable for planting in slightly acidic soil. Celtuce has a shallow root system and weak absorption capacity, and has a relatively high demand for oxygen. Sandy loam and loam are best for growing celtuce.

Sea lettuce is already large enough for people to call it a “macroalga”, because it is composed of multiple cells, and compared with those single-celled algae that are only a few micrometers to several hundred micrometers in diameter, it can fully be regarded as a “giant”.